1461720006 has 40 divisors (see below), whose sum is σ = 3277686720. Its totient is φ = 486890352.

The previous prime is 1461719983. The next prime is 1461720023. The reversal of 1461720006 is 6000271641.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 326475 + ... + 330921.

It is an arithmetic number, because the mean of its divisors is an integer number (81942168).

Almost surely, 2^1461720006 is an apocalyptic number.

1461720006 is an abundant number, since it is smaller than the sum of its proper divisors (1815966714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1461720006 is a wasteful number, since it uses less digits than its factorization.

1461720006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490 (or 6481 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1461720006 is about 38232.4470312848. The cubic root of 1461720006 is about 1134.8925114429.

Adding to 1461720006 its reverse (6000271641), we get a palindrome (7461991647).

The spelling of 1461720006 in words is "one billion, four hundred sixty-one million, seven hundred twenty thousand, six".